45051325 has 36 divisors (see below), whose sum is σ = 62785044. Its totient is φ = 32032000.

The previous prime is 45051323. The next prime is 45051379. The reversal of 45051325 is 52315054.

It can be written as a sum of positive squares in 6 ways, for example, as 174724 + 44876601 = 418^2 + 6699^2 .

It is not a de Polignac number, because 45051325 - 2¹ = 45051323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45051325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45051323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160185 + ... + 160465.

It is an arithmetic number, because the mean of its divisors is an integer number (1744029).

Almost surely, 2^45051325 is an apocalyptic number.

It is an amenable number.

45051325 is a deficient number, since it is larger than the sum of its proper divisors (17733719).

45051325 is a wasteful number, since it uses less digits than its factorization.

45051325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45051325 is about 6712.0283819424. The cubic root of 45051325 is about 355.8245068839.

Adding to 45051325 its reverse (52315054), we get a palindrome (97366379).

The spelling of 45051325 in words is "forty-five million, fifty-one thousand, three hundred twenty-five".